they wantshippers to bring their own bags to keep plastic from polluting the environment. similar laws are in affect in san mateo and santa clara counties and the city of santa cruz open earth day april 22nd. >> 4th grader in berkeley is getting were needed help from fellow students who are lending a valuable civics lesson in the process. the 4th graders from jefferson elementary are lobbying local politicians and even president obama to help bring a boy back home. the visa expired while the family visits family in mexico and they were denied re-entry and sent back to mexico with a five year wait to reapply for new visas. the class mails lobbied the city council who passed a resolution to send to congress in support of bringing the ten year old and his family back. >> help us go to school. (inaudible). >> you are just a 4th grade group but are doing a big thing the. >> today they are on a national news show and are slated to appear on local radio talk shows throughout the week. >> a grass roots effort to save the san francisco tradition of carnival is in high gear. communi